Pith Number

pith:IDBEF43P

pith:2026:IDBEF43PTE6LLZVUZIEPWDUKOS

not attested not anchored not stored refs pending

Verifying global identifiability of parametric linear ODE models is NP-hard

Alexey Ovchinnikov, Pedro Soto

arxiv:2606.00412 v1 · 2026-05-29 · cs.CC · cs.SY · eess.SY · math.AG · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDBEF43PTE6LLZVUZIEPWDUKOS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-02T01:03:53.904760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c242f36f993cb5e6b4ca08fb0e8a74b896445d15bc9daecd50ce2f09bb827b

Aliases

arxiv: 2606.00412 · arxiv_version: 2606.00412v1 · doi: 10.48550/arxiv.2606.00412 · pith_short_12: IDBEF43PTE6L · pith_short_16: IDBEF43PTE6LLZVU · pith_short_8: IDBEF43P

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IDBEF43PTE6LLZVUZIEPWDUKOS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 40c242f36f993cb5e6b4ca08fb0e8a74b896445d15bc9daecd50ce2f09bb827b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0898d64e25434dccea9ea750901072b7bc0b8b19c4455122591fc3a08dd9977",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "math.AG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2026-05-29T23:06:42Z",
    "title_canon_sha256": "38ddee412f24689fcc904124e93b579eb880e8920ce6a182813c76346554b34d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00412",
    "kind": "arxiv",
    "version": 1
  }
}